SE Bikes Chain Tensioner 2.0 3/8" BlueThe SE Bikes Chain Tensioner 2.0 is for 3/8’’ (10mm) axles to allow for precise chain adjustment and will keep your rear wheel locked in place. They are made from CNC 6061 T-6 Aluminum. They fit 3/8" (10mm) axles. Dual hole, single bolt design. Weighs 2.5oz per pair. Available in Black, Red, Silver, Blue, Gold, and Purple.785749816883
